Roman Espejo Books

What is humanity's greatest challenge?

By Roman Espejo

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What is humanity s greatest challenge

By Roman Espejo

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Violent children

By Roman Espejo

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From the Publisher: Greenhaven Press's At Issue series provides a wide range of opinions on individual social issues. Each volume focuses on a specific issue and offers a variety of perspectives-e...

Violent children

By Roman Espejo

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From the Publisher: Greenhaven Press's At Issue series provides a wide range of opinions on individual social issues. Each volume focuses on a specific issue and offers a variety of perspectives-e...

Consumerism

By Roman Espejo

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From the Publisher: Each volume in the Contemporary Issues Companion series provides readers with a wealth of information on topics of current interest. Focusing on important social issues, each a...

This volume explores topics relating to urban reform by presenting varied expert opinions that examine many of the different aspects that comprise these issues. Urban reform refers to a loosely kni...

Urban America

By Roman Espejo

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.